{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Treatment.Time_elapsed", "Effect", "Treatment.Drug", "Subject.Age", "Treatment.Route", "Treatment.Freq", "Treatment.Dosage", "Subject.Race", "Treatment.Duration", "Treatment.Disorder", "Subject.Gender", "Subject.Disorder", "Combination.Drug", "Subject.Population", "Treatment"]}], "input": "With combined use, clinicians should be aware, when phenytoin is added, of the potential for reexacerbation of pulmonary symptomatology due to lowered serum theophylline concentrations."}
{"potential therapeutic event": []}